What Really Happened on Big Thunder Mountain Railroad Disneyland September 5th 2003?

On Friday, September 5, 2003, Big Thunder Mountain at the Disneyland Resort in Anaheim, California was operating normally. As the train rounded a right turn, the wheel assembly in the front of the decorative locomotive car shifted further to the left than it was designed to. Leading to the train derailing, killing one rider and injuring more than 10 others.

More on block sections:    • What Stops Roller Coasters from Crash...  

Accident report: https://www.mpimages.net/dlr/compress...

Videos used:
   • Big Thunder Mountain Railroad Off-Rid...  
   • Big Thunder Mountain Railroad at Magi...  
   • Death At Disneyland-430a  
   • Winter: A busy time at Kings Island  

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Music used under license from Epidemic Sound, songs listed in order:
Peacewalker - ELFL
Cold War Games - Gabriel Lewis
UNIX 82 - Ben Elson
Rise of the Velcro - Gabriel Lewis
Red Driver - Ben Elson